centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase.

Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

examples/multimediawidgets/videographicsitem/doc/src/videographicsitem.qdoc

@@ -0,0 +1,40 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file.  Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: http://www.gnu.org/copyleft/fdl.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+\example videographicsitem
+\title Video Graphics Item Example
+\ingroup video_examples
+\brief This example demonstrates how to stream video on a graphics scene.
+
+    The Video Graphics Item example shows how to implement a QGraphicsItem that displays video on a
+    graphics scene using QtMultimedia's QAbstractVideoSurface.
+
+    \image video-videographicsitem.png
+
+    \sa {Video Widget Example}
+*/

examples/multimediawidgets/videographicsitem/main.cpp

@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videoplayer.h"
+
+#include <QApplication>
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    VideoPlayer player;
+    player.show();
+
+    return app.exec(); 
+}
+

examples/multimediawidgets/videographicsitem/videographicsitem.pro

@@ -0,0 +1,14 @@
+TEMPLATE = app
+TARGET = videographicsitem
+
+QT += multimedia multimediawidgets
+
+HEADERS   += videoplayer.h
+
+SOURCES   += main.cpp \
+             videoplayer.cpp
+
+target.path = $$[QT_INSTALL_EXAMPLES]/multimediawidgets/videographicsitem
+INSTALLS += target
+
+QT+=widgets

examples/multimediawidgets/videographicsitem/videoplayer.cpp

@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videoplayer.h"
+
+#include <QtWidgets>
+#include <QVideoSurfaceFormat>
+#include <QGraphicsVideoItem>
+
+VideoPlayer::VideoPlayer(QWidget *parent)
+    : QWidget(parent)
+    , mediaPlayer(0, QMediaPlayer::VideoSurface)
+    , videoItem(0)
+    , playButton(0)
+    , positionSlider(0)
+{
+    videoItem = new QGraphicsVideoItem;
+    videoItem->setSize(QSizeF(640, 480));
+
+    QGraphicsScene *scene = new QGraphicsScene(this);
+    QGraphicsView *graphicsView = new QGraphicsView(scene);
+
+    scene->addItem(videoItem);
+
+    QSlider *rotateSlider = new QSlider(Qt::Horizontal);
+    rotateSlider->setRange(-180,  180);
+    rotateSlider->setValue(0);
+
+    connect(rotateSlider, SIGNAL(valueChanged(int)),
+            this, SLOT(rotateVideo(int)));
+
+    QAbstractButton *openButton = new QPushButton(tr("Open..."));
+    connect(openButton, SIGNAL(clicked()), this, SLOT(openFile()));
+
+    playButton = new QPushButton;
+    playButton->setEnabled(false);
+    playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+
+    connect(playButton, SIGNAL(clicked()),
+            this, SLOT(play()));
+
+    positionSlider = new QSlider(Qt::Horizontal);
+    positionSlider->setRange(0, 0);
+
+    connect(positionSlider, SIGNAL(sliderMoved(int)),
+            this, SLOT(setPosition(int)));
+
+    QBoxLayout *controlLayout = new QHBoxLayout;
+    controlLayout->setMargin(0);
+    controlLayout->addWidget(openButton);
+    controlLayout->addWidget(playButton);
+    controlLayout->addWidget(positionSlider);
+
+    QBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(graphicsView);
+    layout->addWidget(rotateSlider);
+    layout->addLayout(controlLayout);
+
+    setLayout(layout);
+
+    mediaPlayer.setVideoOutput(videoItem);
+    connect(&mediaPlayer, SIGNAL(stateChanged(QMediaPlayer::State)),
+            this, SLOT(mediaStateChanged(QMediaPlayer::State)));
+    connect(&mediaPlayer, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64)));
+    connect(&mediaPlayer, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64)));
+}
+
+VideoPlayer::~VideoPlayer()
+{
+}
+
+
+void VideoPlayer::openFile()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie"),QDir::homePath());
+
+    if (!fileName.isEmpty()) {
+        mediaPlayer.setMedia(QUrl::fromLocalFile(fileName));
+
+        playButton->setEnabled(true);
+    }
+}
+
+void VideoPlayer::play()
+{
+    switch(mediaPlayer.state()) {
+    case QMediaPlayer::PlayingState:
+        mediaPlayer.pause();
+        break;
+    default:
+        mediaPlayer.play();
+        break;
+    }
+}
+
+void VideoPlayer::mediaStateChanged(QMediaPlayer::State state)
+{
+    switch(state) {
+    case QMediaPlayer::PlayingState:
+        playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause));
+        break;
+    default:
+        playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay));
+        break;
+    }
+}
+
+void VideoPlayer::positionChanged(qint64 position)
+{
+    positionSlider->setValue(position);
+}
+
+void VideoPlayer::durationChanged(qint64 duration)
+{
+    positionSlider->setRange(0, duration);
+}
+
+void VideoPlayer::setPosition(int position)
+{
+    mediaPlayer.setPosition(position);
+}
+
+
+void VideoPlayer::rotateVideo(int angle)
+{
+    //rotate around the center of video element
+    qreal x = videoItem->boundingRect().width() / 2.0;
+    qreal y = videoItem->boundingRect().height() / 2.0;
+    videoItem->setTransform(QTransform().translate(x, y).rotate(angle).translate(-x, -y));
+}

examples/multimediawidgets/videographicsitem/videoplayer.h

@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef VIDEOPLAYER_H
+#define VIDEOPLAYER_H
+
+#include <QMediaPlayer>
+#include <QMovie>
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QAbstractButton;
+class QSlider;
+class QGraphicsVideoItem;
+QT_END_NAMESPACE
+
+class VideoPlayer : public QWidget
+{
+    Q_OBJECT
+
+public:
+    VideoPlayer(QWidget *parent = 0);
+    ~VideoPlayer();
+
+    QSize sizeHint() const { return QSize(800, 600); }
+
+public slots:
+    void openFile();
+    void play();
+
+private slots:
+    void mediaStateChanged(QMediaPlayer::State state);
+    void positionChanged(qint64 position);
+    void durationChanged(qint64 duration);
+    void setPosition(int position);
+    void rotateVideo(int angle);
+
+private:
+    QMediaPlayer mediaPlayer;
+    QGraphicsVideoItem *videoItem;
+    QAbstractButton *playButton;
+    QSlider *positionSlider;
+};
+
+#endif
+